What’s Missing at Random (MAR)?
Missing at Random (MAR) is a statistical term indicating that the likelihood of data being missing is related to some…
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What’s missing completely at random data
Here are some more examples of MCAR (recall that Missing completely at random (MCAR) data occurs when the probability of…
Tips & Tricks for research newbies
Coding and managing projects Using AI to better code, debug and manage projects How to export an R dataframe to…
Tricks for remembering formulas & properties of multivariate normal distribution
Understanding the relationship between univariate and multivariate normal distributions can provide a clearer framework for remembering the definition and properties…
Tricks for remembering integral rules
Understanding the relationship between derivatives and antiderivatives can significantly help in remembering and applying the rules for finding antiderivatives (also…
Finding the derivative of a composite function with chain rule
The chain rule is a fundamental technique in calculus for finding the derivative of a composite function. Here are some…
examples of limit computations
Here are a few more examples of limit computations involving various techniques: Example 1: Basic Limit Find the limit: Solution:…